Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 205
s of a constant value at all times.This field rotates at a rate depending upon the number of poleand the frequency of the circuit. This produces a mechanicalpull of constant value which rotates with the magnetic fieldvarying its position from instant to instant. It is evident that this pull is of… … p]G 2 4 >3 —General Electric adjustable compensation shunt. It is used as the compensat- ing shunt for direct current voltage regulators. In operation, the shunt may be adjustedso as to compensate for any desired line drop up to 15 per cent. It is preferably placedin the principal lighting…
Electrical engineering
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